Browsing by Author "Wamwangi, D."

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Effect of Metal-Semiconductor Contact Geometry on Electrical Properties of Al/ZnSe Thin Films

Amatalo, I. A.; Makori, N. E.; Maera, J.; Wamwangi, D.; Karimi, P. M. (2014)

The desire for smaller, more efficient and faster semiconductor devices has made design of metal-semiconductor contacts and characterization very vital. There is little research if any on the effect of metal-semiconductor ...
Ion beam modification of the structure and properties of hexagonal boron nitride: An infrared and X-ray diffraction study

Aradi, E.; Naidoo, S.R.; Billing, D.G.; Wamwangi, D.; Motochi, I.; Derry, T.E. (Nuclear Instruments and Methods in Physics Research B, 2014-03)

The vibrational mode for the cubic symmetry of boron nitride (BN) has been produced by boron ion implantation of hexagonal boron nitride (h-BN). The optimum fluence at 150 keV was found to be 5 Â 1014 ions/cm2. The ...
Surface Brillouin scattering observation of higher order resonances in annealed, ion-implanted CVD diamond

Motochi, I.; Mathe, B.A.; Naidoo, S.R.; Wamwangi, D.; Derry, T. E. (Science Direct, 2017-06)

The phase velocity of Surface Acoustic waves exhibits no dispersion in homogeneous materials. However, normal or anomalous dispersion takes place in layered systems. This dispersion effect has been used to determine the ...

Now showing items 1-3 of 3

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